the scene of the bombing on boylston street is no longer an fbi crime scene. while hundreds turned out at memorials to remember the dead, including 23-year-old graduate student lingzi lu. >> we will keep running to finish the race for you. and we will try to realize your unfinished dreams. >> reporter: of the more than 200 people injured in the bombings, 48 are still recovering in the hospital. doctors say all are expected to survive. john and diana? >> and, devin, why didn't the fbi know about the older brother, tamerlan's return from russia? >> reporter: that's the big question. how the fbi, which interviewed tamerlan in 2011, lost track of him. what we have learned, the fbi database did not catch that trip to russia, that important trip where he reportedly became radicalized. officials here in washington say his name was misspelled on a flight manifest and fell through the cracks. they're determined to prevent that from happening again. john and diana? >> devin dwyer from washington. thank you. another person who may be able to shed some light on the plot, the older brother's widow. the fbi wants to question

katherine russell and her attorney. a meeting is being arranged. so far, she says she had no idea about her husband's deadly plot. and investigators are looking at whether tamerlan was involved in the brutal murder of three young men in 2011. one of whom was his roommate. the three young men were found with their throats slashed. authorities in canada have foiled a plot to unleash terror on hundreds of unsuspecting train passengers. two men under arrest for planning the attack were allegedly getting direction and guidance from al qaeda in iran. abc's pierre thomas has more. >> reporter: the deadly plot to derail a busy passenger train, en route from new york to toronto, murdering hundreds. >> had this plot been carried out, it would have resulted in innocent people being killed or seriously injured. >> reporter: the target, an amtrak passenger line that partners with canada's rail. thousands of people use the route from new york's penn station to toronto every year. sources tell abc news, the plan involved planting bombs to blow

up tracks and derail the trains. >> we were looking at a real threat to kill people, hurt people. >> reporter: the two arrested suspects had allegedly begun surveillance of trains in the toronto area. but authorities had been watching them since august of last year. the plot was disrupted before it became operational. here's one of the suspects in handcuffs, escorted by police. and an unexpected twist. canadian authorities claim there's a link to al qaeda and iran. it's part of al qaeda's playbook. documents obtained from osama bin laden's secret compound revealed, he had been urging followers to derail a train in the u.s. to kill passengers. so far, there's no indication that this plot is tied to boston. pierre thomas, abc news, washington. after a storm of criticism, the tsa has decided to delay a new policy that would allow small knives and sports equipment on planes. the flight attendants union, federal air marshals and top lawmakers had

denounced the change as a security issue. the tsa said it freed the agency up to concentrate on bigger risks. air travelers across the country are in for another day of flight delays, as the faa scrambles to make due with fewer air traffic controllers. some of the nation's busiest airports fell behind because federal budget cuts have resulted in furloughs across the faa. delays are ranging from 15 minutes to several hours. the record rainfall and flooding that's inundating much of the midwest is far from over. in peoria, the illinois river is cresting today, expected to hit nearly 30 feet. the problem is flood stage is only 18 feet. mississippi and other river towns are seeing similar swamping. near st. louis, more than 100 barges broke free, some smashing into bridges. at least ten of them sank. and there's evidence that we are not exaggerating about the water levels. here it is. take a look at a fish swimming by someone's office window. that's in grand rapids. the river there crested at nearly 22 feet. >> my goodness.

>> yikes. today's forecast for the flood zone won't be a welcome one. plan on plenty of rain stretching from south texas all the way to the great lakes. and in the northern-most spots it will be snowing again today. as much as three to five more inches. >> the west is clearly the place to be. sunny and dry, with 60s, 70s and even some 80-degree temperatures. still a bit chilly on the east coast, with highs stuck in the 50s. >> all right. coming up, is a big shakeup coming from the head of the federal reserve? plus, some big changes at the local movie theater, focused on your wallet. but have you noticed? and lighting up the night sky, the mystery at the music concert. what was that in the sky?

demand for new homes across the country, now, exceeding supply. in march, sales dropped 0.5% from february, according to the national association of realtors. sales are up more than 10% from last year. and those wanting to buy a home, up 25% because of a lack of building supplies. economists say a rise in home prices is expected. is federal reserve chairman ben bernanke hinting that he's stepping down from his post? the 59-year-old says he will not attend an annual economic conference in august attended by economic leaders. saying, there's a scheduling conflict. but he's never missed it before. his second four-year term ends in january. what happens in vegas stays in vegas. even overpriced cab fares. last year, cabbies overcharged customers 15 million bucks, going between the strip and the airport. that's according to an audit by the state legislature. the director of the taxi cab authority says they are addressing that problem. ticket prices at the movies going down, as we enter the summer blockbuster season.

hollywood insiders say fewer 3d and larg format releases are pushing down prices. nationally, the average just dropped to under 8 bucks. ordering pizza is getting easier for those who love the x-box. teaming up with pizza hut, gamers can order pizza from the live dashboard. you pick the topics through the controller, submit your order and get a 15% discount. >> through the controller, huh? >> i don't know if this is a good combination. when we come back, one of the fbi's most-wanted is captured. plus, one little guy's run-in with an alligator. what a father did to save his son during a trip to the beach. returning home. new stories from the texas disaster zone. [ lane ] do you ever feel like you're growing old waiting for your wrinkle cream to work? clinically proven neutrogena® rapid wrinkle repair. it targets fine lines and wrinkles

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[ woman ] mmm, mmm, fresh. . check this out. a band in argentina suddenly upstaged during their concert by an unplanned light show.

a spectacular streak of light, believed to be a meteor. so bright, it was seen 250 miles away. astronomers said it was about 18 inches wide traveling about 80,000 miles per hour. >> has to go somewhere quick. >> a laser light show there. closer to home, road conditions will be less than ideal, from south texas, north to the great lakes. that's where rain and flooding will make for a slow-go. also, watch out for snow around denver and minneapolis. >> if you're flying, airport delays in denver, chicago, kansas city, detroit and minneapolis. now, back to the news now. and a heartbreaking return to residents in west, texas, following last week's massive explosion. those living on the edge of the blast zone were allowed to return home. and they began to go through what's left of their belongings. >> there's those, like misty lambert, still recovering in the hospital.

lambert said she waited for an hour to be rescued after the explosion. but was never alone. >> my cousin died 20 years ago. my cousin was right there beside me, holding my hand, telling me not to let go. >> misty's a mother of five. she was racing to evacuate when the explosion hit. president obama will attend a memorial service on thursday for the 14 people who lost their lives. 12 of those victims were first responders. a fugitive who replaced osama bin laden on the fbi's most-wanted list is now under arrest. former washington, d.c. elementary schoolteacher eric justin toth was captured in nicaragua. he's accused of producing child pornography. he was fired amid allegations that he hid a camera in a boy's bathroom at the exclusive school where he taught third grade. two years after a sexting scandal cost him his job, anthony weiner is back on twitter. it was this half-naked picture that led to the downfall of the new york congressman. a link to a policy statement on new york city. former south carolina governor mark sanford not

apologizing for getting caught going out of the back door of his ex-wife's home in february. using his cell phone as a flashlight. in a newspaper ad, he addressed the accusations of trespassing. saying he entered the home because, quote, he didn't think his 14-year-old son should watch the super bowl alone. sanford is trying to re-enter politics, running for a vacant congressional seat. >> is that just getting more and more bizarre? >> that's a strange one. it was supposed to be a fun canoe trip in south florida wilderness for a son his and father. but it turned into something much worse, much more menacing, when little joey fell from the boat ramp into the shallow water. and a gator grabbed him. that's when his dad sprang into action, punching the eight-foot gator, which eventually did let go. joey escaped, if you can believe it, with only some minor cuts and bruises. >> your dad is trying to get you out. he's hitting this gator. what are you thinking? >> i'm thinking i'm going to die. >> he could have squished my son's arm like a cracker.

but my son's arm is completely intact. he doesn't even have any broken bones. >> that's one tough cookie. experts say joey's dad did the right thing in resisting the urge to yank his son's arm out of the gator's mouth. >> how in the world do you do that? you leave your son's arm in there, knowing you don't want to yank it out. that takes some moxie. >> all the adrenaline takes over. he beat that alligator up, essentially. >> kicking him in the belly and he finally let go. >> yeah. >> wow. time for sports. we'll get the latest highlights from espn news. >> i'm randy scott with your "sportscenter" update. we start with the playoffs in the nba. the best finish, the best game so far of the nba postseason. grizzlies/clippers, game two. l.a. already up a game in this series. grizzlies were desperate. that's mike conley jr., feeding marc gasol. now, waning seconds. who will take the shot for lob city? it has to be chris paul. and that's why. 19 of his 24 points coming in the second half. and none of them bigger than those. as the clippers win, 93-91. they have a 2-0 games lead as the series shifts to tennessee.

jay-z said his nets could go 0-82 and it would all be gravy. what if the nets go up two games on the bulls? that's jimmy butler from kirk heinrich. bulls up 12. then, in the fourth, joakim noah, going for a double-double. 11 and 10. he did so on hobbled feet. check out the hustle here. noah to hinrich. hinrich to nate robinson. robinson for three. his 11 points. afterwards, he tweeted about the state of mate. some player to watch. fun to follow on twitter. joe johnson followed that. knocking down the three, making it a four-point game. nets trying to get back in this thing. but noah, driving on brook lopez, gets that to go. bulls even it up. 90-82. i'm randy scott. this has been your "sportscenter" update. thank you for watching. have a great day. legendary folk singer richie havens has died more than four decades after he

captivated crowds at woodstock. the brooklyn-born performer was first on in the 1969 festival. he ended up singing and playing his guitar for three hours straight because the next act hasn't showed up yet. havens has released more than 25 albums, including his breakthrough, "mixed bag." he was 72 years old. >> you're a guitar player. could you go for three hours? would your fingers bleed? >> you know, they just might. after three hours nonstop, they just might. especially the way he played. he had a hard style of hitting that guitar. >> yikes. >> three hours. he made a name for himself on that album and documentary. best thing that ever happened. coming up next, it's "the pulse." the punishment for a north dakota anchorman after getting caught cursing on-air. it was his first day. >> painful. you have to see it. plus, building oscar buzz. who is already being mentioned to host next year's academy awards?

it is time to check, "the pulse," stories you'll be talking about today. and it looks like seth macfarlane had hollywood on hold. still mum on whether he plans to host the oscars for a second-straight year. >> mcfarlane has been asked to return as host of the 2014 academy awards. as he referred to this year's gig as the a one-time job. he did bump up the ratings.

>> yep. and if it was almost the end of april, we would swear this was an april fool's prank. >> unfortunately this was very real for a very new north dakota anchorman. a.j. clemente. he learned a hard lesson about the downside of wearing a microphone on your first day on the job. >> nbc north dakota news, your news leader in high-definition. >> [ bleep ]. >> yep. that was an f-bomb. his bosses were not amused. clemente was first suspended. then, he was ultimately fired from his job yesterday. >> it couldn't get any worse for a.j. clemente. unbelievable. >> oh, yes, it could. he then led the starring role on last night's letterman's show. quote, your top ten signs your first day as news anchor didn't go well. >> it could have been me. >> heart goes out to him. >> heart goes out to him. very first anchorman job. the weather man tells you to

expect an 80% chance of unemployment. number four, last story of the broadcast, announced a job opening for news anchor. and the number one sign your first day as a news anchor didn't go well, aspired to be the next ernie anastos. >> it takes a tough man to make a tender forecast, nick. >> [ bleep ]. >> all right. >> oh, my goodness. >> yikes. >> wow. with any luck someone will take pity on his poor soul and give him a chance somewhere. >> that's going to be a rough one. he's famous now. >> i know. famous for the wrong reasons. >> might have to go into the witness relocation program for a couple years. >> a.j., if you're watching, i asked them not to show it because i was hoping you'd be able to get a job somewhere. but -- >> if you look at it, it's hyster hysterical. but it's also sad. jumping rope. never liked this when i was a

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live from the kgo-tv broadcast center this is abc7 news. >> good tuesday morning. it is 4:28. thanks for joining us. >> what will the weather be like? mike called it yesterday. >> six record highs yesterday. not so much today. here is live doppler 7 hd, still very dry. we will get you out the door with temperatures, 46 at half moon bay, the cool spot. a lost 50's around the bay and a few 60's inland because the wind in the hills is blowing some of the filtering to the inland valley. today's temperatures are still warm by late april standards.

68 at san francisco, and mid-to-upper 70's around the bay and low-to-mid 80's inland. now the traffic. how is the commute? >> so far, so good, we will go to the east bay with construction. that is the story. we have lots of construction projects. eastbound 80 right now until 5:00 a.m. there are a couple of lanes blocked. to the south, the drive through oakland, if you head along northbound 880 well see three lanes blocked between high street and fruit valley avenue with cones picked up at 5:00 a.m. into marin the drive along southbound 101 the off-ramp is shut down until 6:00 a.m. >> breaking news in libya, the french embassy was the target of a car bombing this morning, the explosion in tripoli wounded two guards. it is the first major terrorist attack on a diplomatic compound since the attack on the outpost in benghazi. that claimed the life of bay area native ambassador chris

stevens. no one has claimed responsibility for this morning's attack. we will continue to monitor the story. >> more than a week after the boston marathon bombings businesses and residents will start being allowed back in around the site of the attack. investigators are learning where the suspect got their bomb-making know how. now to abc7 news reporter with the latest. >> good morning. the charges against the surviving suspected bomber offer extraordinary new details of how this attack was carried out but authorities are still searching for why. >> this morning the accused teen terrorist behind the boston bombing has the right to remain silent now formally charged with using a weapon of mass destruction but the 19-year-old dzhokhar tsarnaev wounded in the neck with limited ability to speak has started to answer questions, reportedly telling agency he built the bombs from the internet with no direction

from terrorists overseas. >> these are individuals who may have some connections overseas but the primary radicalization is in places like the united states. authorities believe the attack may have been inspired by al qaeda and the preachings of radical jihadist al-awlaki with investigators focus on his older brother killed thursday night as the possible brains behind the attack, of particular interest is his tip to russia last year. a neighbor said he returned more extreme. >> he said the bible is a cheap city of the koran and most american wars are an excuse. >> the investigation continues and boston is moving on. the scene of the bombing is in longer an f.b.i. crime scene. hundreds turned out at memorials to remember the dead including the 23-year-old graduate student. >> we will keep running to finish the race for you and we will try to realize your

unfinished dreams. >> of the more than 200 people injured in the bombings, 48 are still in the hospital recovering but good news, all those are expected to survive. >> that is good news. before you get away, we know the f.b.i. was tipped off by russian authorities about tamerlan, why didn't they more closely follow him after the tip? >> that's the big question right now and authorities are looking into that as the top priority. the f.b.i. interviewed tamerlan in 2011 and lost track of him in the trip he made to russia did not show up in 2012 falling through the cracks and now it is a top priority to figure how it happened and make sure it does not happen again. >> the oakland a's are stepping